B. both were total wars involved countries entire populations(apex)
People revolted
People wanted to leave the country but couldn't.
<span>In this milestone decision, the Supreme Court ruled that separating children in public schools on the basis of race was unconstitutional. ... On May 17, 1954, U.S. Supreme Court Justice Earl Warren delivered the unanimous ruling in the landmark civil rights case Brown v. Board of Education of Topeka, Kansas.
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According to google, "<span>The </span>Roosevelt Corollary<span> was an addition to the Monroe Doctrine articulated by President Theodore </span>Roosevelt<span> in his State of the Union address in 1904 after the Venezuela Crisis of 1902–03."
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Good luck!</span>
The answer is number one, proof.